Show how you would synthesize each compound from benzene, toluene, or phenol using the following reactions: Choose the starting material from the drop-down list Enter the number(s) of the desired reactions in the order that you wish to use them without commas between If a reaction is used more than once, enter its number each time you wish to use it

wanswer:

explanation:

a chemical change results in a new substance being formed; whereas a physical change will result in a different state of matter

explanation:

sup bro, im dumb, but this is what i found xd

"the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (uvr) from the sun, protecting life on earth from its potentially harmful effects. when the sky is clear, there is an inverse relationship between stratospheric ozone and solar uvr measured at the earth's surface"